def __init__(self,
component_descriptor: ComponentDescriptor,
ld: LogicalData,
template_attribute: TemplateAttribute,
):
super().__init__(component_descriptor)
if self.component_descriptor.has_attribute_L:
self.label = RepCode.IDENT(ld)
else:
self.label = template_attribute.label
if self.component_descriptor.has_attribute_C:
self.count = RepCode.UVARI(ld)
else:
self.count = template_attribute.count
if self.component_descriptor.has_attribute_R:
self.rep_code = RepCode.USHORT(ld)
else:
self.rep_code = template_attribute.rep_code
if self.component_descriptor.has_attribute_U:
self.units = RepCode.UNITS(ld)
else:
self.units = template_attribute.units
if self.component_descriptor.has_attribute_V:
self.value = [RepCode.code_read(self.rep_code, ld) for _i in range(self.count)]
else:
self.value = template_attribute.value
def __init__(self, lr_type: int, ld: File.LogicalData):
self.lr_type: int = lr_type
# [RP66V1 Section 3.3 Indirectly Formatted Logical Record]
self.object_name: RepCode.ObjectName = RepCode.OBNAME(ld)
# [RP66V1 Section 5.6.1 Frames]
self.frame_number = RepCode.UVARI(ld)
self.preamble_length = ld.index
self.remain = ld.remain
# Frame numbers start from 1 but there are many observed cases of IFLRs that have a 0 frame number and zero
# remaining data. Here we only warn if the frame number is zero and the remaining data is non-zero.
# We warn rather than raising in the spirit of optimism.
if self.frame_number == 0 and self.remain != 0:
logger.warning(
f'Frame number needs to be >= 1, not {self.frame_number} [RP66V1 Section 5.6.1 Frames] (there is data remaining)'
)
def test_UVARI(ld, expected):
result = RepCode.UVARI(ld)
assert result == expected
assert ld.remain == 0
